The Encyclopedia of Arabic Language and Linguistics is now complete with the publication of the final, very valuable, index volume. The encyclopedia represents a unique collaboration of over hundreds of scholars from around the world, the Encyclopedia of Arabic Language and Linguistics covers all relevant aspects of the study of Arabic and deals with all levels of the language (pre-Classical Arabic, Classical Arabic, Modern Standard Arabic, Arabic vernaculars, mixed varieties of Arabic). No other reference work offers this scale of contributions or depth and breadth of coverage. The Encyclopedia of Arabic Language and Linguistics is set to become an essential reference work for students and researchers in the fields of linguistics, Islamic studies, Arabic literature and other related fields.